```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>AI记忆评估系统</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
            line-height: 1.6;
        }
        h1, h2, h3, h4 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 600;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .highlight-text {
            background: linear-gradient(120deg, #fbcfe8 0%, #c4b5fd 100%);
            background-repeat: no-repeat;
            background-size: 100% 40%;
            background-position: 0 88%;
        }
        .gradient-text {
            background: linear-gradient(90deg, #6366f1, #8b5cf6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
    </style>
</head>
<body class="min-h-screen">
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-24 px-6">
        <div class="max-w-4xl mx-auto text-center">
            <h1 class="text-5xl font-bold mb-6 leading-tight">AI记忆评估系统</h1>
            <p class="text-xl opacity-90 mb-8 max-w-2xl mx-auto">智能判断哪些编程知识值得被AI助手长期记忆</p>
            <div class="flex justify-center space-x-4">
                <button class="bg-white text-indigo-600 px-6 py-3 rounded-lg font-medium hover:bg-gray-100 transition duration-300 shadow-md">开始评估</button>
                <button class="border-2 border-white text-white px-6 py-3 rounded-lg font-medium hover:bg-white hover:bg-opacity-10 transition duration-300">了解更多</button>
            </div>
        </div>
    </section>

    <!-- Main Content -->
    <main class="max-w-6xl mx-auto px-6 py-16">
        <!-- Evaluation Criteria Section -->
        <section class="mb-20">
            <div class="flex items-center mb-10">
                <div class="w-12 h-1 bg-purple-500 mr-4"></div>
                <h2 class="text-3xl font-bold">评估标准</h2>
            </div>
            
            <div class="grid md:grid-cols-3 gap-8">
                <!-- Card 1 -->
                <div class="bg-white rounded-xl p-6 shadow-lg card-hover transition duration-300">
                    <div class="text-purple-500 text-3xl mb-4">
                        <i class="fas fa-bullseye"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">相关性</h3>
                    <p class="text-gray-600">记忆内容必须与编程和软件工程领域相关，具有专业价值和实用性。</p>
                </div>
                
                <!-- Card 2 -->
                <div class="bg-white rounded-xl p-6 shadow-lg card-hover transition duration-300">
                    <div class="text-purple-500 text-3xl mb-4">
                        <i class="fas fa-project-diagram"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">通用性</h3>
                    <p class="text-gray-600">记忆应该适用于未来的互动场景，而非仅针对当前对话的特定细节。</p>
                </div>
                
                <!-- Card 3 -->
                <div class="bg-white rounded-xl p-6 shadow-lg card-hover transition duration-300">
                    <div class="text-purple-500 text-3xl mb-4">
                        <i class="fas fa-tasks"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">可操作性</h3>
                    <p class="text-gray-600">记忆内容应该具体明确，能够为未来的编程决策提供直接指导。</p>
                </div>
            </div>
        </section>

        <!-- Examples Section -->
        <section class="mb-20">
            <div class="flex items-center mb-10">
                <div class="w-12 h-1 bg-purple-500 mr-4"></div>
                <h2 class="text-3xl font-bold">评分示例</h2>
            </div>
            
            <div class="bg-white rounded-xl shadow-lg overflow-hidden">
                <!-- Tab Navigation -->
                <div class="border-b border-gray-200">
                    <div class="flex -mb-px">
                        <button class="tab-btn active py-4 px-6 font-medium text-sm border-b-2 border-purple-500 text-purple-600">低分示例 (1-2)</button>
                        <button class="tab-btn py-4 px-6 font-medium text-sm text-gray-500 hover:text-gray-700">中等示例 (3)</button>
                        <button class="tab-btn py-4 px-6 font-medium text-sm text-gray-500 hover:text-gray-700">高分示例 (4-5)</button>
                    </div>
                </div>
                
                <!-- Tab Content -->
                <div class="p-6">
                    <div class="tab-content active">
                        <h3 class="text-xl font-semibold mb-4 text-gray-800">不建议记忆的内容</h3>
                        <ul class="space-y-4">
                            <li class="flex items-start">
                                <span class="bg-red-100 text-red-800 text-xs font-semibold mr-3 px-2.5 py-0.5 rounded">1分</span>
                                <span>"变量命名应使用userData存储API调用结果" - 特定功能实现细节</span>
                            </li>
                            <li class="flex items-start">
                                <span class="bg-yellow-100 text-yellow-800 text-xs font-semibold mr-3 px-2.5 py-0.5 rounded">2分</span>
                                <span>"用户喜欢组织良好的代码" - 过于模糊和显而易见的偏好</span>
                            </li>
                        </ul>
                    </div>
                </div>
            </div>
        </section>

        <!-- Visualization Section -->
        <section class="mb-20">
            <div class="flex items-center mb-10">
                <div class="w-12 h-1 bg-purple-500 mr-4"></div>
                <h2 class="text-3xl font-bold">记忆评估流程图</h2>
            </div>
            
            <div class="bg-white p-6 rounded-xl shadow-lg">
                <div class="mermaid">
                    graph TD
                        A[开始评估记忆] --> B{是否与编程相关?}
                        B -->|是| C{是否通用适用?}
                        B -->|否| D[评分:1]
                        C -->|是| E{是否具体可操作?}
                        C -->|否| F[评分:2]
                        E -->|是| G[评分:3-5]
                        E -->|否| H[评分:2]
                </div>
            </div>
        </section>

        <!-- Key Principles Section -->
        <section>
            <div class="flex items-center mb-10">
                <div class="w-12 h-1 bg-purple-500 mr-4"></div>
                <h2 class="text-3xl font-bold">核心原则</h2>
            </div>
            
            <div class="bg-white rounded-xl shadow-lg overflow-hidden">
                <div class="p-8">
                    <div class="mb-8">
                        <h3 class="text-2xl font-semibold mb-4 gradient-text">谨慎原则</h3>
                        <p class="text-gray-700">当评分存在不确定性时，<span class="highlight-text">优先给予较低分数</span>。用户对过高评分的记忆内容会感到非常不满，特别是那些模糊或显而易见的内容。</p>
                    </div>
                    
                    <div class="mb-8">
                        <h3 class="text-2xl font-semibold mb-4 gradient-text">例外处理</h3>
                        <p class="text-gray-700">如果用户<span class="font-medium text-purple-600">明确要求</span>记住某些内容，无论其性质如何，都应给予5分评分。</p>
                    </div>
                    
                    <div>
                        <h3 class="text-2xl font-semibold mb-4 gradient-text">评分分布</h3>
                        <div class="w-full bg-gray-200 rounded-full h-4 mb-2">
                            <div class="bg-gradient-to-r from-red-500 via-yellow-500 to-green-500 h-4 rounded-full" style="width: 100%"></div>
                        </div>
                        <div class="flex justify-between text-sm text-gray-600">
                            <span>1-2分: 70%</span>
                            <span>3分: 20%</span>
                            <span>4-5分: 10%</span>
                        </div>
                    </div>
                </div>
            </div>
        </section>
    </main>

    <script>
        // Initialize Mermaid
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: false,
                htmlLabels: true,
                curve: 'basis'
            }
        });

        // Tab functionality
        document.querySelectorAll('.tab-btn').forEach(btn => {
            btn.addEventListener('click', () => {
                document.querySelectorAll('.tab-btn').forEach(b => b.classList.remove('active', 'text-purple-600', 'border-purple-500'));
                document.querySelectorAll('.tab-btn').forEach(b => b.classList.add('text-gray-500'));
                
                btn.classList.add('active', 'text-purple-600', 'border-purple-500');
                btn.classList.remove('text-gray-500');
                
                // In a real implementation, you would also switch the tab content here
            });
        });
    </script>
</body>
</html>
```